Practical: These 5-in-1 sliding rulers are marked in inches and centimeters, with sliding pointers to meet your different needs, smooth and edges, you can measure without changing T-Slide Ruler: Both sides measuring system can quickly measure the seam allowance of fabric patterns or marking lines; you can use it for buttonholes, seam allowance charts, DIY crafts, patchwork and more; easy to use and read Digital makes sewing life easier Package Included: This package contains 3 pieces of 3 different styles of sliding gauges, made of plastic and metal, not easy to deform, and easy to use, meet your different sewing needs Multiple Applications: The sewing quilting ruler tool can be used for DIY crafting, sewing, patchwork, etc., easy to sew patterns or lines on fabrics, also can be used for code spacing and buttonholes Useful Gift: Sliding Gauge Measuring Sewing Ruler Tool is sewing supplies, you can give it to your family, craft lovers or other favorite people, it make life more convenient Colour:As Shown Material:plastic+aluminum Size: 20.4 x 8cm Package Contents: 1 x -A23 Triangle Ruler 1 x Black and blue buckle fixed side ruler 1 x pointed blue aluminum ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.